257401767

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{5953}}^1$

素因数の和:6063

約数の個数: 32

約数和(自身を含む): 411540480

約数和(自身を除く): 154138713

約数列:

[1, 3, 7, 21, 29, 71, 87, 203, 213, 497, 609, 1491, 2059, 5953, 6177, 14413, 17859, 41671, 43239, 125013, 172637, 422663, 517911, 1208459, 1267989, 2958641, 3625377, 8875923, 12257227, 36771681, 85800589, 257401767]

約数ペア:

[(1, 257401767), (3, 85800589), (7, 36771681), (21, 12257227), (29, 8875923), (71, 3625377), (87, 2958641), (203, 1267989), (213, 1208459), (497, 517911), (609, 422663), (1491, 172637), (2059, 125013), (5953, 43239), (6177, 41671), (14413, 17859)]